net.sf.saxon.evpull
Class SingletonEventIterator

java.lang.Object
  net.sf.saxon.evpull.SingletonEventIterator

All Implemented Interfaces:

EventIterator, PullEvent

public class SingletonEventIterator
extends Object
implements EventIterator

This class represents an EventIterator over a sequence containing a single pull event.

Constructor Summary

SingletonEventIterator(PullEvent event)
Create an iterator over a sequence containing a single pull event

Method Summary

boolean	isFlatSequence() Determine whether the EventIterator returns a flat sequence of events, or whether it can return nested event iterators
PullEvent	next() Get the next event in the sequence

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SingletonEventIterator

public SingletonEventIterator(PullEvent event)

Create an iterator over a sequence containing a single pull event

Parameters:

event - the single event. This must not be an EventIterator

Method Detail

next

public PullEvent next()
               throws XPathException

Get the next event in the sequence

Specified by:

next in interface EventIterator

Returns:

the next event, or null when the sequence is exhausted

Throws:

XPathException - if a dynamic evaluation error occurs

isFlatSequence

public boolean isFlatSequence()

Determine whether the EventIterator returns a flat sequence of events, or whether it can return nested event iterators

Specified by:

isFlatSequence in interface EventIterator

Returns:

true if the next() method is guaranteed never to return an EventIterator